Am Mittwoch, den 25.09.2013, 08:59 -0500 schrieb Rob Landley: > On 09/24/2013 01:36:56 PM, Thomas Meyer wrote: > > Hi, > > > > Is there such a thing? > > In the kernel's vfs layer?
Yes, that would be a nice feature! > No, although some filesystems (ala btrfs) do > things like that with snapshots. > > In userspace? Breaking hardlinks when updating a file is fairly normal, > that's why they distinguish between "truncate and rewrite" (preserve > hardlinks) and "write new file and rename over old file" (break > hardlinks, avoiding the more obvious race conditions). so every user space application needs to implement that for itself? I wonder how hard it would be to implement this on vfs layer? linkat() with a new flag as api or something like that. > > Rob -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
